Ebook: Trebuchet mechanics

Document in pdf-format. 2006. – 65 p.The trebuchet, a medieval catapult driven by a falling, hinged counterweight, has been simulated to progressively more accurate approximations by successively more realistic physical models. The first of these, a "black box" model in which the mechanism for the transfer of the potential energy of the counter-weight to the kinetic energy of the released projectile is left unspecified, led to a definition of a "Range Efficiency," Reff, equal to the measured range of the projectile divided by the range of the black box model, given by twice the ratio of the CW to projectile masses times the distance that the CW falls. This range efficiency can be used to compare actual trebuchets to simulated ones, design "back of the envelope" trebuchets, and is useful in understanding the results of more sophisticated simulations.Другие материалы по требуше:
Дубровинский А.А. Требуше. Внутренняя баллистика - /file/1726217/
Saimre Tanel. Trebuchet - a gravity-operated siege engine. A study in experimental archaeology - /file/1727383/
Теницкая Т.А. Моделирование требушета на Javascript - /file/1727417/
Mosher Aaron. A Mathematical model for a trebuchet - /file/1727514/
Siano Donald B. Trebuchet mechanics - /file/1727525/